why was this law passed?

[catalyst]

I know this is ridiculously early, but why haven't there been stronger pushes to regulate the online gaming industry within the U.S. With regulation, it would be safer for players, the US would have a better ability to tax the industry, and so on. Just seems like there are so many benefits to regulating, but there haven't been any legitimate pushes to get this going. I know the President hasn't even signed this bill yet, so it is early. But, why hasn't this been pushed previously, it seems logical that players wouldn't have a problem leaving a company based in Gibralter to play at a presumably safer site, governed by the laws in the US.